According to the Mayo Clinic, mumps is a viral infection that affects saliva-producing glands that are situated below and in front of the ears, causing swelling in those glands. There is no specific treatment for the infection, which can cause hearing loss in more serious cases.

The team’s medical director, Dr. Craig Milhouse, said that Beauchemin has been hospitalized to receive intravenous fluids, and is improving. Perry has been cleared of the disease and can resume working out with the team on Thursday.